CVE-2026-71345

Out-of-bounds write in Windows Spaceport.sys allows an authorized attacker to execute code locally.

  • Published Sep 8, 2026
  • CVSS 7.8 high
  • 0.3% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-71345 at the National Vulnerability Database